20100202421210 has 64 divisors (see below), whose sum is σ = 38262800217600. Its totient is φ = 7581295916352.

The previous prime is 20100202421207. The next prime is 20100202421213. The reversal of 20100202421210 is 1212420200102.

It is an interprime number because it is at equal distance from previous prime (20100202421207) and next prime (20100202421213).

It is not an unprimeable number, because it can be changed into a prime (20100202421213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162926609 + ... + 163049931.

It is an arithmetic number, because the mean of its divisors is an integer number (597856253400).

Almost surely, 2^{20100202421210} is an apocalyptic number.

20100202421210 is a deficient number, since it is larger than the sum of its proper divisors (18162597796390).

20100202421210 is a wasteful number, since it uses less digits than its factorization.

20100202421210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127355.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20100202421210 its reverse (1212420200102), we get a palindrome (21312622621312).

The spelling of 20100202421210 in words is "twenty trillion, one hundred billion, two hundred two million, four hundred twenty-one thousand, two hundred ten".